Comparison

.NET Core vs DevPrep

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

.NET Core

Features
Read full description

Walking into a .NET developer interview? Get sharp, fast. .NET Core Interview Prep is the most focused way to master .NET, C#, ASP.NET Core, Entity Framework Core, LINQ, and Web API interview questions — the exact topics interviewers ask at every level, from junior developer screens to senior .NET architect and system-design rounds. Whether you're interviewing for a Software Engineer, Backend Developer, Full Stack .NET Developer, or Solutions Architect role, this app drills the real questions companies use to evaluate .NET talent. WHY DEVELOPERS CHOOSE THIS APP • 207 real interview questions covering C#, .NET Core, ASP.NET Core, Web API, MVC, Entity Framework Core, LINQ, Dependency Injection, Middleware, Authentication & Authorization, SignalR, Blazor, Microservices, Design Patterns, Multithreading & Async/Await, and Performance Tuning • Every question includes a clear, plain-English explanation — not just the correct answer, but the reasoning behind it, so concepts actually stick • Organized by topic so you can target your weak spots instead of re-reading the same generic interview guides • Clean, distraction-free UI built for short daily study sessions — 5–10 minutes on your commute, lunch break, or before a call is enough • 16 questions are free forever — no trial, no countdown, no expiry • Unlock the complete 207-question bank anytime with a single $3.99 one-time purchase — no subscription, no recurring charges, no ads, ever KEY TOPICS COVERED C# fundamentals and advanced features • .NET Core & .NET runtime internals • ASP.NET Core Web API and MVC • Entity Framework Core and database access • LINQ queries and expressions • Dependency Injection and IoC containers • Middleware pipeline and request handling • Authentication, Authorization, JWT & OAuth security • RESTful API design best practices • SignalR and real-time communication • Blazor Server and WebAssembly • Microservices architecture and design patterns • Async/await, threading, and concurrency • Unit testing, mocking, and TDD • Caching, logging, and performance optimization • SOLID principles and clean architecture • Deployment, CI/CD, and cloud-ready .NET apps HOW IT WORKS • Quick Practice — a fast, shuffled round pulling questions from every .NET topic for rapid-fire review • Practice by Topic — drill Dependency Injection, EF Core, LINQ, Web API, Middleware, Security, Blazor, Microservices, and more, one category at a time • Instant feedback — find out whether you're right the moment you answer, with the explanation right underneath • Review Mode — revisit every question after a session, right or wrong, with the correct answer and full reasoning • Track your mastery — a per-topic progress view shows exactly which .NET concepts you've nailed and which need another pass • Daily reminder — an optional, once-a-day study nudge at a time you choose, so interview prep becomes a habit instead of a last-minute scramble BUILT FOR REAL .NET INTERVIEWS This isn't a generic trivia app. Every question is written around what actually comes up in real .NET Core and C# technical interviews — the kind asked by startups, enterprises, and big-tech interview loops alike. Use it to prepare for coding interviews, phone screens, take-home tests, and system-design rounds for .NET Developer, Backend Engineer, and Software Engineer roles. WHO IT'S FOR • Junior and mid-level developers preparing for their first or next .NET role • Senior engineers brushing up before a big interview • CS students and bootcamp grads targeting backend or full-stack .NET jobs • Anyone who wants a fast, structured way to study C# and .NET Core on mobile Whether you're prepping for your first .NET Developer role or sharpening your skills before a senior interview, .NET Core Interview Prep gets you ready — one question at a time. InApp Purchase Pro Unlock - All Questions | Lifetime Validity | $3.99 Privacy Policy: https://mindzbase.com/privcy-policy Terms of Use: https://mindzbase.com/terms-of-use

About

DevPrep

Features
Read full description

You have the coding skills, but can you explain them clearly under pressure? DevPrep is the Offline-First AI Interview Coach designed specifically for Software Engineers. Stop practicing in your head. Start speaking. DevPrep simulates the pressure of a real interview, records your answer, and uses an advanced on-device AI engine to grade your response against ideal technical answers. WHY DEVPREP? • AI GRADING ENGINE: Our local vector-based AI analyzes your speech for technical accuracy, logic, and clarity. Get a score (0-100) instantly. • PRIVACY & FAST: All grading happens securely on your device. Your voice recording is processed locally. • ZERO FLUFF: 250+ curated questions from the current tech industry standards. 5 SPECIALIZED TRACKS: - SOFT SKILLS & LEADERSHIP - DATA STRUCTURES & ALGORITHMS (pro) - SYSTEM DESIGN ARCHITECT (pro) - MODERN FRONTEND ENGINEERING (pro) - BACKEND & DISTRIBUTED SYSTEMS (pro) FEATURES: - Realistic "Interviewer" Audio to simulate pressure. - "Silent Mode" for practicing on the go (multi-choice questions). - Local progress feature to track your mastery. - Offline-First architecture (Privacy focused).

Screenshots

.NET Core4 screens
DevPrep4 screens

Verdict

The call

The clearest difference is update cadence: DevPrep at every 2 days against .NET Core's every 18 months. .NET Core's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. .NET Core sells 3 in-app purchases, starting at $19.99 per 7 days and DevPrep sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

.NET Core ships an update every 18 months, DevPrep every 2 days. The most recent releases landed on September 20, 2026 and October 10, 2026 respectively.

Scorecard2 real differences Ā· 4 level
.NET Core versus DevPrep: the parameters behind the verdict, then further details
Parameter.NET CoreDevPrep
PriceFreeFree
Update frequencyEvery 18 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size21 MB149 MB
Age rating4+4+
DeveloperSG APPsThieu Khue

In-app purchases

3 purchases

.NET Core

Subscriptions2
  • 1 Week Access$19.997 Days
  • 1 Month Access$24.991 Month
One-time1
  • Lifetime Access$9.99
5 purchases

DevPrep

One-time5
  • Backend Scale pack$9.99
  • Data Structure & Algorithms pack$9.99
  • System Design pack$9.99
Show 2 more
  • Frontend Engineering pack$9.99
  • Unlock all Pro Packs$29.99

Questions

Is .NET Core free?
.NET Core is free to download, with in-app purchases available.
Is DevPrep free?
DevPrep is free to download, with in-app purchases available.
Do .NET Core or DevPrep have ads?
Neither .NET Core nor DevPrep shows ads.
Which is updated more often, .NET Core or DevPrep?
.NET Core ships an update every 18 months, and DevPrep every 2 days. Most recently, .NET Core was updated on September 20, 2026 and DevPrep on October 10, 2026.

Other comparisons